/*
 * Copyright 2016 Elvis Hew
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.elvishew.xlogsample.interceptor;


import com.elvishew.xlogsample.LogItem;
import com.elvishew.xlogsample.LogLevel;
import org.junit.Before;
import org.junit.Test;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

public class WhitelistTagsFilterInterceptorTest {

  private WhitelistTagsFilterInterceptor interceptor;

  @Before
  public void setup() {
    interceptor = new WhitelistTagsFilterInterceptor("abc", "def");
  }

  @Test
  public void testWhitelist() throws Exception {
    assertTagAccepted("abc");
    assertTagAccepted("def");

    assertTagRejected("");
    assertTagRejected("ab");
    assertTagRejected("abcd");
    assertTagRejected("bcd");
    assertTagRejected("abcdef");
    assertTagRejected("defg");
    assertTagRejected("ef");
  }

  private void assertTagAccepted(String tag) {
    LogItem log = new LogItem(LogLevel.DEBUG, tag, "Message");
    assertNotNull("Tag " + log.tag + " should be accepted", interceptor.intercept(log));
  }

  private void assertTagRejected(String tag) {
    LogItem log = new LogItem(LogLevel.DEBUG, tag, "Message");
    assertNull("Tag " + log.tag + " should be rejected", interceptor.intercept(log));
  }
}